Journal of applied mathematics & informatics

한국전산응용수학회 (The Korean Society for Computational and Applied Mathematics)
권호 표지

RECURSIVE TWO-LEVEL ILU PRECONDITIONER FOR NONSYMMETRIC M-MATRICES

  • Guessous, N. (Ecole Normale Superieure de Fes, Department de mathematique et informatique) ;
  • Souhar, O. (Faculte des Sciences Dhar-Mahraz, Department of de mathematique et informatique)
  • 발행 : 2004.09.01

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초록

We develop in this paper some preconditioners for sparse non-symmetric M-matrices, which combine a recursive two-level block I LU factorization with multigrid method, we compare these preconditioners on matrices arising from discretized convection-diffusion equations using up-wind finite difference schemes and multigrid orderings, some comparison theorems and experiment results are demonstrated.

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